-78.25% is the change from 308 to 67
Calculation steps:
[( 67 - 308 ) ÷ 308] x 100 = -78.25%
Formula
Percentage change = [(67 - 308) / 308] x 100
Subtract the new number by the original number
67 - 308 = -241
-241 ÷ 308 = -0.7824675324675324
-0.7824675324675324 x 100 = -78.25%